Finding the Fourth Proportional to 352,151.24, 485,583.57 and 261,675.05
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Solution
The fourth proportional to 352,151.24, 485,583.57 and 261,675.05 is: 360,825.38
Step by Step Solution
- Step 1: Write the proportion equation
352,151.24 : 485,583.57 = 261,675.05 : x - Step 2: Convert to fraction form
352,151.24/485,583.57 = 261,675.05/x - Step 3: Cross multiply
352,151.24x = 485,583.57 × 261,675.05 - Step 4: Simplify right side
352,151.24x = 127,065,102,531.01 - Step 5: Solve for x
x = 127,065,102,531.01/352,151.24 - Step 6: Final answer
x = 360,825.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.